Spice tier



FIG. 1 is a top, front, right side perspective view of a spice tier showing my new design, the rear view being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a spice tier, as shown and described. 